<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <title>盘管理系统</title>
</head>
<script>
  //获取浏览器页面可见高度和宽度
  var _PageHeight = document.documentElement.clientHeight,
    _PageWidth = document.documentElement.clientWidth;
  //计算loading框距离顶部和左部的距离（loading框的宽度为215px，高度为61px）
  var _LoadingTop = _PageHeight > 61 ? (_PageHeight - 61) / 2 : 0,
    _LoadingLeft = _PageWidth > 215 ? (_PageWidth - 215) / 2 : 0;
  //在页面未加载完毕之前显示的loading Html自定义内容
  var _LoadingHtml = '<div id="loadingDiv" style="position:absolute;left:0;width:100%;height:' + _PageHeight + 'px;top:0;background:#ffffff;z-index:10000000;"><div style="position: absolute; cursor1: wait; left: ' + _LoadingLeft + 'px; top:' + _LoadingTop + 'px; width: auto; height: 57px; line-height: 57px; padding-left: 50px; padding-right: 50px; background: #fff; border: 2px solid #95B8E7; color: #696969; font-family:\'Microsoft YaHei\';">页面努力加载中，请等待...</div></div>';
  //呈现loading效果
  document.write(_LoadingHtml);
  //监听加载状态改变
  document.onreadystatechange = completeLoading;

  //加载状态为complete时移除loading效果
  function completeLoading() {
    if (document.readyState == "complete") {
      var loadingMask = document.getElementById('loadingDiv');
      loadingMask.parentNode.removeChild(loadingMask);
    }
  }
</script>
<body>
<div id="app"></div>
<!-- built files will be auto injected -->
</body>
</html>
